[1] Univ Catania, Ferrarotto Hosp, Dept Cardiol, I-95124 Catania, Italy
[2] Tokai Univ, Sch Med, Dept Cardiol, Isehara, Kanagawa 25911, Japan
[3] Univ Hosp Cleveland, Case Med Ctr, Harrington Heart & Vasc Inst, Cleveland, OH 44106 USA
[4] Pitangueiras Hosp, Dept Intervent Cardiol, Jundiai, Brazil
[5] Excellence Newest Adv ETNA Fdn, Catania, Italy